EXCEEDS logo
Exceeds
Hadleigh Wallenberg

PROFILE

Hadleigh Wallenberg

Hadleigh Wallenberg developed and maintained core features for the trade-tariff/trade-tariff-frontend repository, delivering robust user-facing flows such as commodity subscriptions, enquiry forms, and notification management. He engineered scalable backend integrations using Ruby on Rails and RSpec, implementing secure CSV and Excel ingestion, session management, and API-driven workflows. His work included UI/UX enhancements with HTML and SCSS, dynamic routing, and accessibility improvements, all aligned with evolving business requirements. By refactoring controllers, introducing feature flags, and strengthening automated testing, Hadleigh improved reliability, maintainability, and performance, enabling faster deployments and reducing user friction across complex trade and tariff management processes.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

177Total
Bugs
20
Commits
177
Features
52
Lines of code
10,377
Activity Months16

Work History

March 2026

3 Commits • 1 Features

Mar 1, 2026

Concise March 2026 monthly summary for trade-tariff-frontend focusing on business value and technical achievements. Delivered front-end enhancements and reliability improvements that directly impact user workflows and system performance.

February 2026

21 Commits • 6 Features

Feb 1, 2026

February 2026 monthly summary for trade-tariff-frontend: Focused on improving user unsubscribe experience, introducing a scalable subscription model, and delivering UI/UX enhancements and code quality improvements that reduce maintenance cost and support friction, while aligning with brand styling.

January 2026

16 Commits • 3 Features

Jan 1, 2026

January 2026: Strengthened the commodity subscription ecosystem in trade-tariff-frontend with a focus on reliability, UX clarity, and data quality. Delivered end-to-end enhancements to watch lists and subscriptions, refined unsubscribe flows, improved UI for commodity management, and tightened data import processes, delivering tangible business value and enabling targeted category-based notifications.

December 2025

9 Commits • 3 Features

Dec 1, 2025

December 2025: Focused frontend enhancements for tariff subscriptions and commodity targeting, improved user onboarding for My Commodities, and introduced an unsubscribe journey. Delivered with feature flags, dynamic UI, and refactored navigation to reduce user friction. Business value realized through improved accuracy, consistency, and conversion in subscription onboarding, plus enhanced churn management.

November 2025

19 Commits • 1 Features

Nov 1, 2025

2025-11 Monthly Summary for trade-tariff frontend team focused on delivering a robust end-to-end User Commodity Subscriptions Management System, tightening security, and improving performance and maintainability across the codebase.

September 2025

4 Commits • 2 Features

Sep 1, 2025

Month: 2025-09 — Key frontend and API integration improvements delivered for trade-tariff/trade-tariff-frontend. Focus areas: Enquiry Form enhancements with thorough tests and UX fixes; back-navigation behavior corrected on validation errors; removal of obsolete Tariff Preferences option. APIEntity JSON serialization refactor introduced prepare_json_request to properly format request bodies/headers and to serialize parameters for Faraday, enabling large payloads and better decoupling of models from API concerns. Overall impact: elevated user experience with fewer validation errors, more reliable API interactions, and improved maintainability. Technologies demonstrated include feature testing, JSON serialization patterns, and API client integration.

August 2025

21 Commits • 8 Features

Aug 1, 2025

August 2025 frontend work concentrated on strengthening the enquiry flow reliability, API alignment, and UX consistency for trade-tariff-frontend. Delivered features reduce test fragility, enhance data integrity, and improve user-facing messaging, while also cleaning up legacy code and reinforcing session/state handling. Key outcomes include: - Test environment decoupled from routing for the Enquiry Form, enabling stable specs via ENV VARs. - API integration and strong server-side validation for the enquiry form, with jsonapi-aligned responses and query value caching to support larger inputs. - Session-scoped reference number handling across the enquiry flow, used on the confirmation page to avoid passing sensitive data in URLs. - UI and error handling refinements for consistent navigation, titles, flashes, and back-button behavior. - Robust input validation and submission safeguards (character count normalization, byte-based limits, and a submission token to prevent multi-submits). - Feature-flagged links and copy/design tweaks to improve UX and content consistency, plus targeted codebase cleanups (removal of unused data/model pieces and commented code).

July 2025

4 Commits • 1 Features

Jul 1, 2025

July 2025 delivered a reusable, toggleable multi-step Enquiry Form for product experience in trade-tariff-frontend, improving user experience and data quality. Implemented a generic enquiry form feature with a multi-step flow, validation, and session storage, plus a confirmation page. Feature flag controlled via environment variable for safe production rollout. Completed code-quality and integration work to stabilize dynamic partial rendering and support navigation between steps. Key commits include implementing the feature, hardening dynamic partials by whitelisting partials and suppressing Brakeman warnings, updating redirect logic to integrate with the Preevy app, and adding an editing parameter to allow navigation between answers and review.

June 2025

29 Commits • 15 Features

Jun 1, 2025

June 2025 performance summary for trade-tariff-frontend focused on delivering key frontend enhancements, stabilizing user flows, and improving design-system alignment. Highlights include a major dashboard/CYA upgrade with All Chapters functionality, an upgraded Subscription Confirmation flow, and targeted UI/UX improvements. The team also hardened the unsubscribe experience by introducing screens and a backend delete API with a safe POST-based action, and significantly improved session integrity by clearing stale chapter state across arrival and preference flows. Quality and maintainability were enhanced via a new test spec and extensive inline documentation, alongside proactive code cleanup and error-message refinements.

May 2025

19 Commits • 1 Features

May 1, 2025

May 2025: Delivered the MyOTT Chapter-based tariff updates subscription flow in trade-tariff-frontend, including chapter selection UI, check-your-answers, and confirmation, with support for selecting all chapters or specific ones and corresponding navigation/routing/UI updates. Implemented redirect on confirmation to prevent re-submission and integrated subscription preferences across the MyOTT journey. Completed environment enablement and quality improvements to support reliable feature testing and release.

April 2025

13 Commits • 3 Features

Apr 1, 2025

April 2025 monthly summary focusing on automation, reliability, and user-facing improvements across two repositories. Key features delivered include: (1) Production Deployment Pipeline Improvements: migration of the production CI/CD to GitHub Actions, alignment of deployment steps with staging, and explicit AWS region and IAM permissions added for tagging during production deployments to boost reliability and automation. (2) Frontend NI Notification Banners: implementation of a reusable banner component with region-aware display and a blue call-to-action to inform users about the Northern Ireland to Great Britain trade process, including start-date adjustments and UI polish (start date updated to 1 May 2025; removal of !important). Major bugs fixed include: (3) Graceful handling of empty measures in codes: guard against nil when no measures are returned and added tests to verify safe handling of empty lists. (4) Test suite stabilization: updated goods nomenclature label and item IDs expectations to resolve failing specs. (5) CI/CD workflow reorganization: separated CI and build/deploy workflows to improve maintainability. Overall impact: reduced deployment toil, faster and more reliable releases, clearer user guidance for NI processes, and a more maintainable CI/CD and test infrastructure. Technologies/skills demonstrated: GitHub Actions, AWS IAM tagging, region-aware deployment, front-end componentization, safe navigation and test-driven fixes, CI/CD architecture, and test maintenance.

March 2025

2 Commits • 1 Features

Mar 1, 2025

March 2025 front-end heading navigation improvements focused on UX and link integrity. Delivered a UX refresh for the Headings page, simplified the Chapter Notes label, and established canonical routing to the /headings page. Added redirect routes to ensure trade-tariff/headings lands on the canonical /headings URL, improving navigation reliability, link consistency, and maintainability. These changes reduce broken links, support smoother user journeys, and contribute to more accurate analytics and SEO signals.

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025: Delivered UI parity improvements in trade-tariff-frontend. Implemented an always-visible VAT column in the Commodity Tree View for both UK and XI services, removed XI-specific conditional logic that hid VAT, and aligned XI desktop identifier width with UK to ensure a consistent layout. This enhances data visibility, reduces user confusion, and lays groundwork for cross-service parity and easier future updates. Commit fc58f6c7dde64e9c1859df0ac40f37b5adccef96.

January 2025

8 Commits • 3 Features

Jan 1, 2025

January 2025 monthly summary for trade-tariff-frontend: Delivered key features, fixed notable issues, and strengthened observability and localization. The work improves user feedback capture, navigation consistency, and analytics readiness, driving better user outcomes and maintainability.

December 2024

6 Commits • 2 Features

Dec 1, 2024

December 2024 delivered two core frontend enhancements for the trade-tariff-frontend repository, along with quality and maintainability improvements. Key updates include a GreenLanes FAQ System with a new feedback pathway and expanded FAQ coverage, plus CPTPP reference materials (PNG image and DOCX) to support the CPTPP section. The work included refactoring to improve Windsor Framework internal market movements compatibility, enhanced tests, and added specs for the FAQ helper and FAQ Feedback model. JavaScript linting issues were resolved to improve build reliability and consistency. Overall, these changes improve self-service support, regulatory reference accuracy, and maintainability, delivering measurable business value in faster issue resolution and clearer content governance.

November 2024

2 Commits • 1 Features

Nov 1, 2024

November 2024 monthly summary for trade-tariff/trade-tariff-frontend: Delivered SPIMM Terminology and UI Language Update to standardize terminology and improve user guidance for Internal Market Movements. Updated eligibility explanations and goods category implications across the UI, aligned with HMRC-405. Focused on clear copy, non-breaking changes, and faster production readiness.

Activity

Loading activity data...

Quality Metrics

Correctness92.0%
Maintainability90.8%
Architecture88.4%
Performance90.0%
AI Usage21.0%

Skills & Technologies

Programming Languages

BashCSSERBHTMLJavaScriptMakefileMarkdownPythonRSpecRuby

Technical Skills

API DevelopmentAPI IntegrationAPI developmentAPI integrationAWSAWS IAMAutomated TestingBackend DevelopmentBackend IntegrationCI/CDCSSCSS StylingCSS/SCSSCSV HandlingCaching

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

trade-tariff/trade-tariff-frontend

Nov 2024 Mar 2026
16 Months active

Languages Used

ERBHTMLerbhtml.erbCSSJavaScriptRubyYAML

Technical Skills

Frontend DevelopmentRuby on RailsUI/UXAPI IntegrationBackend DevelopmentContent Management

trade-tariff/trade-tariff-lambdas-fpo-search

Apr 2025 Apr 2025
1 Month active

Languages Used

BashMakefileMarkdownPythonYAML

Technical Skills

AWSAWS IAMCI/CDCircleCIDevOpsDocker